Featured Publications
Declines in Pneumonia Mortality Following the Introduction of Pneumococcal Conjugate Vaccines in Latin American and Caribbean Countries
de Oliveira LH, Shioda K, Valenzuela M, Janusz CB, Rearte A, Sbarra AN, Warren JL, Toscano CM, Weinberger DM, Team M. Declines in Pneumonia Mortality Following the Introduction of Pneumococcal Conjugate Vaccines in Latin American and Caribbean Countries. Clinical Infectious Diseases 2020, 73: 306-313. PMID: 32448889, PMCID: PMC8516507, DOI: 10.1093/cid/ciaa614.Peer-Reviewed Original ResearchConceptsPneumonia mortalityPneumonia deathsAge groupsIntroduction of PCVPneumococcal conjugate vaccinePediatric immunization programsYears of ageCause pneumoniaMulticountry evaluationPCV introductionConjugate vaccinePostvaccination periodImmunization programsChildren 2Age strataPopulation-level impactMortalityPneumoniaMortality dataStandardized protocolModerate incidenceDeathNational-level mortality dataVaccinePCVAssociation Between the Decline in Pneumococcal Disease in Unimmunized Adults and Vaccine-Derived Protection Against Colonization in Toddlers and Preschool-Aged Children
Weinberger DM, Pitzer VE, Regev-Yochay G, Givon-Lavi N, Dagan R. Association Between the Decline in Pneumococcal Disease in Unimmunized Adults and Vaccine-Derived Protection Against Colonization in Toddlers and Preschool-Aged Children. American Journal Of Epidemiology 2018, 188: 160-168. PMID: 30462150, PMCID: PMC6321804, DOI: 10.1093/aje/kwy219.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseaseUnimmunized adultsPneumococcal diseaseVaccine-associated immunityVaccine-derived protectionVaccine-targeted serotypesNationwide surveillance studyPrevalence of colonizationUnvaccinated adultsPneumococcal carriagePreschool aged childrenVaccine uptakeColonization prevalenceGroup of childrenVaccination coverageEmergency departmentSurveillance studyDisease ratesTrajectory of declineAge rangeAdultsAged childrenChildrenSerotypesVaccine
2023
High Levels of Detection of Nonpneumococcal Species of Streptococcus in Saliva from Adults in the United States
Hislop M, Allicock O, Thammavongsa D, Mbodj S, Nelson A, Shaw A, Weinberger D, Wyllie A. High Levels of Detection of Nonpneumococcal Species of Streptococcus in Saliva from Adults in the United States. Microbiology Spectrum 2023, 11: e05207-22. PMID: 37067447, PMCID: PMC10269540, DOI: 10.1128/spectrum.05207-22.Peer-Reviewed Original ResearchMeSH KeywordsAgedHumansPneumococcal InfectionsPolymerase Chain ReactionReproducibility of ResultsSalivaStreptococcus pneumoniaeUnited StatesPersistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures
Wyllie A, Mbodj S, Thammavongsa D, Hislop M, Yolda-Carr D, Waghela P, Nakahata M, Stahlfeld A, Vega N, York A, Allicock O, Wilkins G, Ouyang A, Siqueiros L, Strong Y, Anastasio K, Alexander-Parrish R, Arguedas A, Gessner B, Weinberger D. Persistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures. Microbiology Spectrum 2023, 11: e04879-22. PMID: 37036377, PMCID: PMC10269788, DOI: 10.1128/spectrum.04879-22.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarrier StateChildChild, PreschoolCOVID-19HumansInfantNasopharynxPandemicsPneumococcal InfectionsStreptococcus pneumoniaeConceptsInvasive pneumococcal diseasePneumococcal diseaseSchool-aged childrenOlder adultsPneumococcal carriageSaliva samplesCOVID-19 pandemicRate of carriageCOVID-19-related disruptionsUpper respiratory tractRegular contactNew Haven areaFirst yearCarriage prevalencePre-pandemic levelsMedical historyRespiratory tractHigh prevalenceStreptococcus pneumoniaeCOVID-19 mitigation measuresStudy participantsPneumococciPrevalenceDiseaseCarriageThe COVID-19 pandemic as an opportunity for unravelling the causative association between respiratory viruses and pneumococcus-associated disease in young children: a prospective study
Dagan R, van der Beek B, Ben-Shimol S, Greenberg D, Shemer-Avni Y, Weinberger D, Danino D. The COVID-19 pandemic as an opportunity for unravelling the causative association between respiratory viruses and pneumococcus-associated disease in young children: a prospective study. EBioMedicine 2023, 90: 104493. PMID: 36857965, PMCID: PMC9970381, DOI: 10.1016/j.ebiom.2023.104493.Peer-Reviewed Original ResearchConceptsCommunity-acquired alveolar pneumoniaLower respiratory infectionsRespiratory syncytial virusInvasive pneumococcal diseaseHuman metapneumovirusDisease endpointsPneumococcal diseaseRespiratory virusesProspective studyNasopharyngeal pneumococcal carriagePneumococcal bacteremic pneumoniaProspective surveillance programRespiratory virus activityCommon respiratory virusesPneumococcal carriage prevalenceBurden of diseaseDifferent clinical endpointsYoung childrenCOVID-19 pandemicProportion of testsAlveolar pneumoniaBacteremic pneumoniaPneumococcal carriageRespiratory infectionsCarriage prevalence
2022
Impact of Temporary Storage Conditions on the Viability of Streptococcus pneumoniae in Saliva
Allicock O, York A, Waghela P, Yolda-Carr D, Weinberger D, Wyllie A. Impact of Temporary Storage Conditions on the Viability of Streptococcus pneumoniae in Saliva. MSphere 2022, 7: e00331-22. PMID: 36409104, PMCID: PMC9769876, DOI: 10.1128/msphere.00331-22.Peer-Reviewed Original Research
2021
Decline in Pneumococcal Disease in Young Children During the Coronavirus Disease 2019 (COVID-19) Pandemic in Israel Associated With Suppression of Seasonal Respiratory Viruses, Despite Persistent Pneumococcal Carriage: A Prospective Cohort Study
Danino D, Ben-Shimol S, Van Der Beek BA, Givon-Lavi N, Avni YS, Greenberg D, Weinberger DM, Dagan R. Decline in Pneumococcal Disease in Young Children During the Coronavirus Disease 2019 (COVID-19) Pandemic in Israel Associated With Suppression of Seasonal Respiratory Viruses, Despite Persistent Pneumococcal Carriage: A Prospective Cohort Study. Clinical Infectious Diseases 2021, 75: e1154-e1164. PMID: 34904635, PMCID: PMC8754767, DOI: 10.1093/cid/ciab1014.Peer-Reviewed Original ResearchConceptsCommunity-acquired alveolar pneumoniaInvasive pneumococcal diseasePneumococcal carriagePneumococcal diseaseRespiratory virusesSurveillance projectCOVID-19 pandemicBacteremic pneumococcal pneumoniaNasopharyngeal pneumococcal carriageSpecific respiratory virusesSARS-CoV-2 casesFirst SARS-CoV-2 caseLower respiratory infectionsProspective cohort studyPneumococcal carriage prevalencePneumococcal serotype distributionRespiratory syncytial virusSeasonal respiratory virusesRespiratory virus detectionChest X-rayDensity of colonizationAlveolar pneumoniaPneumococcal pneumoniaCohort studyRespiratory infections
2015
Association Between Local Pediatric Vaccination Rates and Patterns of Pneumococcal Disease in Adults
Pingali SC, Warren JL, Mead AM, Sharova N, Petit S, Weinberger DM. Association Between Local Pediatric Vaccination Rates and Patterns of Pneumococcal Disease in Adults. The Journal Of Infectious Diseases 2015, 213: 509-515. PMID: 26310307, PMCID: PMC4721904, DOI: 10.1093/infdis/jiv431.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseasePneumococcal diseaseIPD casesPopulation-based surveillance systemZip code level dataAdult IPD casesDoses of PCV7Effectiveness of PCVsPediatric vaccination ratesVaccination of childrenState immunization registryZip codesLogistic regression modelsPCV7 serotypesHigher proportionVaccination ratesImmunization registryDisease patternsDiseaseAdultsPCV7PCVSerotypesChildrenDoses
2013
Using Pneumococcal Carriage Data to Monitor Postvaccination Changes in Invasive Disease
Weinberger DM, Bruden DT, Grant LR, Lipsitch M, O'Brien KL, Pelton SI, Sanders EA, Feikin DR. Using Pneumococcal Carriage Data to Monitor Postvaccination Changes in Invasive Disease. American Journal Of Epidemiology 2013, 178: 1488-1495. PMID: 24013204, PMCID: PMC3813314, DOI: 10.1093/aje/kwt156.Peer-Reviewed Original ResearchMeSH KeywordsCarrier StateHumansIncidenceModels, StatisticalNasopharynxPneumococcal InfectionsPneumococcal VaccinesSentinel SurveillanceConceptsInvasive pneumococcal diseaseIPD incidenceCarriage dataProportion of IPDPCV changesNasopharyngeal carriage studyNasopharyngeal pneumococcal carriagePre-PCV7 periodYears of agePCV7 introductionPneumococcal diseaseCarriage prevalenceNonvaccine serotypesPneumococcal carriageVaccine impactInvasive diseaseCarriage studiesHigh-quality surveillance systemsAmerican Indian populationsSerotype dataIncidenceIndian populationMixed effects modelsSerotypesVaccine
2011
Serotype replacement in disease after pneumococcal vaccination
Weinberger DM, Malley R, Lipsitch M. Serotype replacement in disease after pneumococcal vaccination. The Lancet 2011, 378: 1962-1973. PMID: 21492929, PMCID: PMC3256741, DOI: 10.1016/s0140-6736(10)62225-8.Peer-Reviewed Original ResearchMeSH KeywordsCarrier StateHeptavalent Pneumococcal Conjugate VaccineHumansPneumococcal InfectionsPneumococcal VaccinesSerotypingStreptococcus pneumoniaeConceptsNon-vaccine serotypesSerotype replacementPneumococcal diseaseHeptavalent pneumococcal conjugate vaccinePneumococcal conjugate vaccineImportant public health benefitsBenefits of vaccinationPublic health benefitsDisease surveillance systemsNVT carriagePneumococcal vaccinationSurveillance biasesConjugate vaccineVaccine serotypesCarriage prevalencePneumococcal serotypesAsymptomatic carriersCarriage dataDiseaseVaccinationHealth benefitsLow invasivenessPrevalenceSerotypesCarriage
2009
Pneumococcal Capsular Polysaccharide Structure Predicts Serotype Prevalence
Weinberger DM, Trzciński K, Lu YJ, Bogaert D, Brandes A, Galagan J, Anderson PW, Malley R, Lipsitch M. Pneumococcal Capsular Polysaccharide Structure Predicts Serotype Prevalence. PLOS Pathogens 2009, 5: e1000476. PMID: 19521509, PMCID: PMC2689349, DOI: 10.1371/journal.ppat.1000476.Peer-Reviewed Original ResearchConceptsSerotype replacementCarriage prevalenceNasopharyngeal carriageCapsular serotypesNon-vaccine serotypesNeutrophil-mediated killingNasopharyngeal carriage prevalenceCapsular polysaccharideVaccinated populationSerotype prevalenceEpidemiological patternsPrevalent serotypesStreptococcus pneumoniaeBacterial factorsParticular serotypePrevalenceImportant serotypesNovel biological principleSerotypesDifferent serotypesCarriageNeutrophilsBiological differencesKillingVaccination